private void sendSocketResponse(MpxServerSocket socket, ResponseMsg response)
{
var chunk = socket.GetSendChunk();
try
{
var frame = new WireFrame(WireFrame.SLIM_FORMAT, true, response.RequestID);
var size = serialize(chunk, frame, response);
var wm = new WireMsg(chunk);
Binding.DumpMsg(true, response, chunk.GetBuffer(), 0, (int)chunk.Position);
if (size > Binding.MaxMsgSize)
{
Instrumentation.ServerSerializedOverMaxMsgSizeErrorEvent.Happened(Node);
throw new MessageSizeException(size, Binding.MaxMsgSize, "sendResponse(" + response.RequestID + ")");
}
socket.Send(wm);
stat_MsgSent();
stat_BytesSent(size);
}
catch
{
stat_Errors();
throw;
}
finally
{
socket.ReleaseSendChunk();
}
}
public bool RemoveSocket(MpxServerSocket socket)
{
if (Transport.Binding.InstrumentServerTransportStat)
{
Instrumentation.ClientDisconnectedEvent.Happened(socket.ClientSite.Name);
}
Interlocked.Decrement(ref Transport.m_OpenChannels);
lock (m_Sockets) return(m_Sockets.Remove(socket));
}
public void AddSocket(MpxServerSocket socket)
{
if (Transport.Binding.InstrumentServerTransportStat)
{
Instrumentation.ClientConnectedEvent.Happened(socket.ClientSite.Name);
}
Interlocked.Increment(ref Transport.m_OpenChannels);
lock (m_Sockets) m_Sockets.Add(socket);
}
private bool sendResponse(ResponseMsg response)
{
try
{
MpxServerSocket socket = getSocket(response);
if (socket == null || !socket.Active)
{
return(false);
}
try
{
sendSocketResponse(socket, response);
}
catch (Exception err1)
{
var commError = err1 is SocketException ||
err1 is System.IO.IOException ||
(err1 is ProtocolException && ((ProtocolException)err1).CloseChannel);
stat_Errors();
if (commError)
{
throw; //do nothing - just close the channel
}
if (response != null)
{
try
{
var response2 = Glue.ServerHandleRequestFailure(response.RequestID, false, err1, response.BindingSpecificContext);
sendSocketResponse(socket, response2);
}
catch (Exception e)
{
Binding.WriteLog(
LogSrc.Server,
Log.MessageType.Warning,
StringConsts.GLUE_CLIENT_THREAD_ERROR + "couldn't deliver response to client's request: " + e.Message,
relatedTo: response.RequestID.ToGuid(),
from: "MpxServerTransport.sendResponse",
exception: e);
}
}
}
return(true);
}
catch (Exception error)
{
Binding.WriteLog(LogSrc.Server, Log.MessageType.Error, error.ToMessageWithType(), "MpxServerTransport.sendResponse()", error);
if (error is MessageSizeException)
{
return(true);
}
return(false);
}
}
/// <summary>
/// Notifies the transport that site connection has arrived so the transport may allocate some site/socket-specific state.
/// Called from listener
/// </summary>
internal void ClientSiteConnected(MpxServerSocket socket)
{
var sites = m_ClientSites;
if (sites == null)
{
return;
}
var existing = sites.GetOrRegister(socket.ClientSite.Name, (_) => new clientSiteState(this, socket.ClientSite), true);
existing.AddSocket(socket);
}
/// <summary>
/// Notifies the transport that site connection has closed/broke so the transport may de-allocate some site/socket-specific state.
/// Called from listener
/// </summary>
internal void ClientSiteDisconnected(MpxServerSocket socket)
{
var sites = m_ClientSites;
if (sites == null)
{
return;
}
var existing = sites[socket.ClientSite.Name];
if (existing == null)
{
return;
}
existing.RemoveSocket(socket);
}
